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Whitehouse Scientific Ltd

Whitehouse Scientific is a leading producer of glass microspheres for calibration and is the highest ranking European certification laboratory for primary methods of particle size analysis. The company‚Äôs standards cover all particle sizing techniques including laser diffraction, Coulter methods, optical sizing, sieve calibration and image analysis. Most of these reference materials are NIST-traceable. They range in size from 0.1 micron to 5.0 millimetres and are available as single sizes or broad distribution standards. In addition, Whitehouse offers a unique calibration procedure for NIST-traceable measurement of filter apertures between 3 and 1000 microns, and also produces general purpose research grade microspheres.
Whitehouse Scientific has been producing calibration microspheres for more than 25 years. Founder and managing director Dr Graham Rideal is a past chairman of The Filtration Society, and is now active as its Science Correspondent. He is a member of the 'Editorial Advisory Board' for Filtration News Magazine, USA.

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All articles from Whitehouse Scientific Ltd

Whitehouse Scientific, the highest ranking European certification laboratory for primary methods of particle size analysis, has launched its new PoreSizerTM system for image analysis.

The PoreSizerTM is a static image analysis system that measures particle size and shape, sieve meshes and filter pores using an optical microscope and high quality 1.4 megapixel camera. Specifically designed for the measurement of geometric pore sizes of filter media, the system is the culmination of a development programme spanning a number of years and provides a bespoke, transparent measurement process that is validated and fully traceable using certified...

Stand No: G10

Whitehouse Scientific, the highest ranking European certification laboratory for primary methods of particle size analysis will be exhibiting its state of the art calibration microspheres and services at FILTECH 2016 between 11-13 October in Cologne, Germany

Dr Graham Rideal, CEO of particle sizing standards company Whitehouse Scientific, will present an image analysis technique to ensure accurate, robust and reproducible particle size measurements at PARTEC 2016, the International Congress on Particle Technology (N√ľrnberg, Germany: 19-21 April 2016), in a paper entitled Particle size analysis ‚Äď Investigating Measurement Uncertainties in the Development of a Robust Validation.

Participating in the Applications of Particle Technology session at PARTEC, Dr Rideal will speak on the challenges of proving that the imaging technique employed measures the correct dimension constantly and consistently throughout the analysis process. His paper investigates methods to ensure the validity of results and addresses all the elements that could be challenged in proving an unbroken link to the international definition of the...

World renowned standards company, Whitehouse Scientific, will exhibit its unique range of filter calibration products and services on Booth A1212 at the 12th World Filtration Congress (Taipei International Convention Center, Taiwan: 11-15th April 2016).

Dr Graham Rideal, CEO of Whitehouse Scientific, will also present a paper on the latest developments in wet challenge testing to accurately define pore size in a filter, to an audience of scientists, engineers and practitioners operating in the filtration field. Dr Rideal‚ĄĘs presentation,¬†Latest Developments in Wet Challenge Testing, will highlight the importance of being able to accurately measure maximum pore size in filters across a wide...

Whitehouse Scientific, a world-renowned producer of calibration microspheres, helped celebrate the landmark 50th anniversary of The Filtration Society‚Äôs annual international conference and exhibition as an established and major sponsor.

Taking place at the Riverside Innovation Centre, Chester, UK, over¬† 100 international visitors joined the two day event, which featured¬† the presentation of¬† over twenty technical papers by international industry experts and a ‚Äėfull to capacity‚Äô trade exhibition, showcasing the latest technologies in wet and dry filtration. Dr Graham Rideal, CEO of Whitehouse Scientific and science correspondent for The Filtration Society, said, ‚ÄúThe conference...

Dr Graham Rideal, CEO of Chester based calibration standards company Whitehouse Scientific, has once again serenaded patients, visitors and staff at the Countess of Chester Hospital by playing the saxophone and clarinet to raise funds for the Trust's Relative Comfort Appeal.

Through his musical performances, Dr Rideal, a former patient at the hospital, has now donated over ¬£3,000 to support this appeal. The Trust has raised in excess of ¬£300,000 which will help provide overnight accommodation and counselling rooms for friends and family of critically ill patients. "The hospital has helped me through both colon and liver cancer and I owe my life to the doctors who treated me. I know how much loved ones are...

Dr Graham Rideal, CEO of Whitehouse Scientific, will present a keynote lecture at FILTECH 2015 on the topic of ‚ÄėMeasuring Filter Cut Points and Pore Size Distributions by Challenge Testing‚Äô.

The conference takes place from 24-26 February in Cologne, Germany, where Whitehouse Scientific is also an exhibitor, and Dr Rideal‚Äôs lecture is on Wednesday 25 February at 9.00 am. Challenge testing is a direct or primary method for measuring pore size in filters, which involves collecting and measuring the challenging particles that pass through the filter. It has advantages over secondary methods, such as porometry, which rely on theoretical predictions...

In March 2014, Chester (UK)-based calibration standards specialist Whitehouse Scientific continued their co-sponsorship of the Philippines national team in the second Street Child World Cup held in Rio de Janeiro, Brazil.

During the 10-day tournament, Dr Graham Rideal, CEO of Whitehouse Scientific, was able to catch up with one particular team member from the Philippines who he had met previously while undertaking voluntary work in Manila. Crystal was a member of the Philippines girls team which beat South Africa, El Salvador, England and Mozambique before losing by just one goal to host nation Brazil in the final. Dr Rideal, takes a very active role in working with street children in the Philippines. ‚ÄúThe highlight for me was meeting Crystal again. She was born in a municipal cemetery and was raised on the street, scavenging for food and shelter,‚ÄĚ...

For the second successive time, Chester (UK)-based calibration standards specialist Whitehouse Scientific is sponsoring the Philippine‚Äôs national team at the Deloitte Street Child World Cup.

Whitehouse Scientific CEO Dr Graham Rideal has for many years been involved in projects to support young people in the Philippines and in 2010 Whitehouse Scientific was one of the inaugural team sponsors involved in the Deloitte Street Child World Cup.Street children representing up to 20 countries from all five continents will kick off a ten-day tournament in Rio de Janeiro, Brazil, on 28 March 2014. Not only will they play football but they will also be raising awareness towards gaining rights for street children all over the world....

More than 80 delegates from several countries attended the most recent of the Filtration Society‚Äôs popular two-day technical meetings.

¬†‚ÄėFilter Media 6‚Äô was held in Chester, UK, on 5-6 November 2013. The one-day conference on 6 Nov focused on ‚Äėfilter media‚Äô and was preceded on 5 November by an educational course on ‚ÄėMedia for Gas and Liquid Filtration‚Äô. Billed as the most comprehensive introduction to filter media anywhere in the world, the short course was presented by filtration expert Professor Richard Wakeman and consultant engineer Dr Steve Tarleton....

Whitehouse Scientific is once again a major sponsor of The Filtration Society‚Äôs annual international conference and exhibition, returning on 5-6 November 2013 at the Mercure Chester East Hotel, Christleton, Chester, UK.

This year the main one-day event focuses on ‚ÄėFilter Media‚Äô and will be preceded by a ‚ÄėMedia for Gas and Liquid Filtration Course‚Äô. Attendance at Filtration Society meetings is open to everyone - members, non-members, UK and non-UK delegates. The full conference programme, registration and exhibition details are now available. Dr Graham Rideal, CEO of Whitehouse Scientific and science correspondent for The Filtration Society, said, ‚ÄúWhitehouse Scientific is very pleased to be supporting the annual Filtration Society conference once again, in this the Society‚Äôs 49th year...

Whitehouse Scientific‚Äôs Sieve Aperture Size Calculator, for use with the company‚Äôs NIST-traceable sieve calibration standards, is now provided in a convenient flash drive ¬†format and is free of charge to purchasers of sieve standards.

With standards available in a variety of different sizes, Whitehouse Scientific‚Äôs unique microsphere method of sieve calibration enables sieve users to quickly and easily calibrate on-site rather than having to send sieves away for third party analysis. Now topping more than 1000 views, a two-minute sieve calibration video on the Whitehouse Scientific website is proving to be a popular learning tool taking viewers through each step of the procedure...

Thriving Whitehouse Scientific celebrates 30 years in business

In 1983, pre-internet and in a year that saw early public access to mobile phones and the first incarnation of Microsoft Word, Dr Graham Rideal set about applying his unique scientific experience and expertise to the development of glass microsphere standards whose hallmark is absolute reliability and traceability. Thirty years on, Whitehouse Scientific is a thriving global business with a product range that encompasses the best in calibration standards and is a world leader in fields that include particle size standards, sieve calibration and filter cut point testing - an achievement that the company is celebrating throughout this 30th year...

Whitehouse Scientific‚Äôs Managing Director Jamie Storey will swap his office chair for a seat in the pace car of a very special rally for his latest expedition.

On 28 June the Army Cadet Force Officer will head off on his very own 3-day, 1000 mile ‚ÄėBoom Banger Rally‚Äô across France. Billed as ‚Äėthe challenge of taking a car which has seen better days on a journey across Europe to fulfill its destiny‚Äô, the event begins in Rouen and follows a route that takes in France, Switzerland, Italy and Monaco, finishing in Nice.....

Filtration Society meeting attracts delegates from seven countries
Nov 16, 2011Building on the success of previous years, a record number of delegates from seven different countries attended the latest Filtration Society two-day technical meeting. Held at the Ramada Hotel in Chester, UK in October, Filter Media 5 was the fifth international event focused on filter media and combined a training session, conference and exhibition...

Whitehouse Scientific launches ShapeSizer Image Analyser
Oct 18, 2011Whitehouse Scientific has introduced for sale a new version of the company's ShapeSizer Image Analyser, which was used in certifying the last BCR reference standards, and the system upon which they themselves are standardised. Introduced at Particulate Systems Analysis 2011 (PSA 2011; 5-7 Sep, Edinburgh, Scotland), the new ShapeSizer has a state of the art CCD camera, high performance computer and sophisticated software...

Whitehouse Scientific adds another experienced scientist to team
Aug 26, 2011Whitehouse Scientific is pleased to announce the appointment of Keith Brocklehurst as Senior Scientist specialising in R&D. Keith, who is one of the UK's leading experts in particle characterisation, took up this new position in July 2011, bringing additional analytical expertise and applying even greater focus to the development of new particle size and shape standards. Furthermore, Keith will apply his auditing skills to the development of new instrumentation for precision certification of reference standards and filter calibration...

Whitehouse Scientific prominent at PSA 2011
Aug 12, 2011The Particulate Systems Analysis 2011 Conference and Exhibition ((PSA 2011); 5-7 September 2011; Edinburgh, Scotland;) will see a large involvement from Whitehouse Scientific. Whitehouse principals will present three full papers on recent applications in particulates analysis for the pre-lunchtime session on 5 September (Clarendon Suite).

Testing focus for Whitehouse Scientific at Filtech 2011
Mar 18, 2011Dr Graham Rideal, CEO of Whitehouse Scientific will present a paper on the topic of ‚ÄėMeasuring the maximum pore size of small profile filter elements' at this year's FILTECH conference. FILTECH 2011 takes place from 22-24 March in Wiesbaden, Germany and Whitehouse Scientific is also exhibiting at the associated trade show...

Local pupils learn about particle size analysis at Whitehouse Scientific
Mar 10, 2011Whitehouse Scientific, a world-renowned producer of calibration microspheres based in Chester, UK, recently opened its laboratory to a group of local primary school students, as part of their school's design and technology week. Each team of six children enjoyed hands on experience using a microscope, image analysis system and sieves as they learned how to analyse particles and prepare reference standards...

Eye-opening review of particle size reference standards enthuses USP workshop participants
Feb 10, 2011A paper reviewing the development of reference standards over three decades, given at last December's USP Workshop on Particle Size in Rockville MD, received a warm welcome from delegates. Presenter Dr Graham Rideal of Whitehouse Scientific was delighted with the level of interest his talk elicited at the event, which has translated into continuing requests for the paper itself.

Serenading CEO raises money for Countess of Chester Hospital
Jan 5, 2011As part of Whitehouse Scientific's longstanding involvement in both local and international fundraising and charity work, CEO Dr Graham Rideal spent time at Christmas serenading patients, visitors and staff at the Countess of Chester Hospital (Chester, UK). Seasonally dressed and playing clarinet, he raised more than ¬£600 for the hospital Trust's Relative Comfort Appeal

Calibrate your sieve in 2 minutes! New Whitehouse Scientific video explains how
Dec 2, 2010A new two-minute video freely accessible on the Whitehouse Scientific website takes viewers through the complete methodology for calibrating a test sieve using the Whitehouse Scientific glass bead method. The clear visual demonstration and concise verbal instructions are designed to help newcomers to the method or to act as a refresher for existing users.

Filtration Society filter testing conference programme now online
Aug 23, 2010A complete technical programme for this year's Filtration Society annual conference and exhibition is now available on line. The conference ‚ÄėFilter Testing 5 - millimetre to nanometre' will take place on 13 October 2010 in Chester, UK. This year the main one-day event will be preceded by a short course and workshop on 12 October for those new to filter testing, or who wish to further develop their knowledge in this field.

Whitehouse Scientific introduces new certified silica microspheres
Jun 10, 2010Whitehouse Scientific has extended its range of glass microspheres from 10 microns down to 1.5 microns with the addition of a new certified range of silica microspheres. In addition to their use in particle sizing, these silica microspheres have applications in areas such as drug delivery, respiratory studies and filter testing.

Success for Whitehouse Scientific-sponsored football team at inaugural Street Child World Cup
Jun 4, 2010In March 2010, Whitehouse Scientific co-sponsored the Philippines national team in the inaugural Deloitte Street Child World Cup held in Durban, South Africa. The tournament marked the launch of a new initiative from the Amos Trust, an organisation that works with a network of community projects from around the world to raise awareness of, and provide support to address injustice and poverty.

Visit Whitehouse Scientific at Powtech 2010
Mar 28, 2010At Powtech 2010 Whitehouse Scientific will exhibit the company's new opaque standards for particle size analysis. Managing director Dr Graham Rideal will also present a lecture as part of the World Congress on Particle Technology (WPCT6), a scientific congress which this year takes place alongside Powtech.